Home / 131,526.60-181,503.02-74,165.40

Finding the Fourth Proportional to 131,526.60, 181,503.02 and 74,165.40

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Solution

The fourth proportional to 131,526.60, 181,503.02 and 74,165.40 is: 102,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,526.60 : 181,503.02 = 74,165.40 : x
  2. Step 2: Convert to fraction form
    131,526.60/181,503.02 = 74,165.40/x
  3. Step 3: Cross multiply
    131,526.60x = 181,503.02 × 74,165.40
  4. Step 4: Simplify right side
    131,526.60x = 13,461,244,079.51
  5. Step 5: Solve for x
    x = 13,461,244,079.51/131,526.60
  6. Step 6: Final answer
    x = 102,346.17

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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.