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Finding the Fourth Proportional to 184,437.40, 254,431.68 and 112,692.40

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Solution

The fourth proportional to 184,437.40, 254,431.68 and 112,692.40 is: 155,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,437.40 : 254,431.68 = 112,692.40 : x
  2. Step 2: Convert to fraction form
    184,437.40/254,431.68 = 112,692.40/x
  3. Step 3: Cross multiply
    184,437.40x = 254,431.68 × 112,692.40
  4. Step 4: Simplify right side
    184,437.40x = 28,672,516,655.23
  5. Step 5: Solve for x
    x = 28,672,516,655.23/184,437.40
  6. Step 6: Final answer
    x = 155,459.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.