Home / 143,666.02-198,264.35-89,248.18

Finding the Fourth Proportional to 143,666.02, 198,264.35 and 89,248.18

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Solution

The fourth proportional to 143,666.02, 198,264.35 and 89,248.18 is: 123,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,666.02 : 198,264.35 = 89,248.18 : x
  2. Step 2: Convert to fraction form
    143,666.02/198,264.35 = 89,248.18/x
  3. Step 3: Cross multiply
    143,666.02x = 198,264.35 × 89,248.18
  4. Step 4: Simplify right side
    143,666.02x = 17,694,731,950.14
  5. Step 5: Solve for x
    x = 17,694,731,950.14/143,666.02
  6. Step 6: Final answer
    x = 123,165.74

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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.