Home / 149,720.20-224,666.70-56,235.40

Finding the Fourth Proportional to 149,720.20, 224,666.70 and 56,235.40

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Solution

The fourth proportional to 149,720.20, 224,666.70 and 56,235.40 is: 84,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.20 : 224,666.70 = 56,235.40 : x
  2. Step 2: Convert to fraction form
    149,720.20/224,666.70 = 56,235.40/x
  3. Step 3: Cross multiply
    149,720.20x = 224,666.70 × 56,235.40
  4. Step 4: Simplify right side
    149,720.20x = 12,634,221,741.18
  5. Step 5: Solve for x
    x = 12,634,221,741.18/149,720.20
  6. Step 6: Final answer
    x = 84,385.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.