Home / 134,888.28-186,146.47-74,457.82

Finding the Fourth Proportional to 134,888.28, 186,146.47 and 74,457.82

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Solution

The fourth proportional to 134,888.28, 186,146.47 and 74,457.82 is: 102,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,888.28 : 186,146.47 = 74,457.82 : x
  2. Step 2: Convert to fraction form
    134,888.28/186,146.47 = 74,457.82/x
  3. Step 3: Cross multiply
    134,888.28x = 186,146.47 × 74,457.82
  4. Step 4: Simplify right side
    134,888.28x = 13,860,060,356.90
  5. Step 5: Solve for x
    x = 13,860,060,356.90/134,888.28
  6. Step 6: Final answer
    x = 102,752.15

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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.