Home / 121,572.24-182,444.02-42,692.60

Finding the Fourth Proportional to 121,572.24, 182,444.02 and 42,692.60

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Solution

The fourth proportional to 121,572.24, 182,444.02 and 42,692.60 is: 64,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,572.24 : 182,444.02 = 42,692.60 : x
  2. Step 2: Convert to fraction form
    121,572.24/182,444.02 = 42,692.60/x
  3. Step 3: Cross multiply
    121,572.24x = 182,444.02 × 42,692.60
  4. Step 4: Simplify right side
    121,572.24x = 7,789,009,568.25
  5. Step 5: Solve for x
    x = 7,789,009,568.25/121,572.24
  6. Step 6: Final answer
    x = 64,068.98

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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.