Home / 151,130.04-208,561.20-86,598

Finding the Fourth Proportional to 151,130.04, 208,561.20 and 86,598

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Solution

The fourth proportional to 151,130.04, 208,561.20 and 86,598 is: 119,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,130.04 : 208,561.20 = 86,598 : x
  2. Step 2: Convert to fraction form
    151,130.04/208,561.20 = 86,598/x
  3. Step 3: Cross multiply
    151,130.04x = 208,561.20 × 86,598
  4. Step 4: Simplify right side
    151,130.04x = 18,060,982,472.86
  5. Step 5: Solve for x
    x = 18,060,982,472.86/151,130.04
  6. Step 6: Final answer
    x = 119,506.24

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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.