Home / 121,338.02-182,015.67-42,472.10

Finding the Fourth Proportional to 121,338.02, 182,015.67 and 42,472.10

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Solution

The fourth proportional to 121,338.02, 182,015.67 and 42,472.10 is: 63,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,338.02 : 182,015.67 = 42,472.10 : x
  2. Step 2: Convert to fraction form
    121,338.02/182,015.67 = 42,472.10/x
  3. Step 3: Cross multiply
    121,338.02x = 182,015.67 × 42,472.10
  4. Step 4: Simplify right side
    121,338.02x = 7,730,587,737.81
  5. Step 5: Solve for x
    x = 7,730,587,737.81/121,338.02
  6. Step 6: Final answer
    x = 63,711.17

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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.