Home / 124,678.17-187,294.06-77,328.26

Finding the Fourth Proportional to 124,678.17, 187,294.06 and 77,328.26

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Solution

The fourth proportional to 124,678.17, 187,294.06 and 77,328.26 is: 116,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.17 : 187,294.06 = 77,328.26 : x
  2. Step 2: Convert to fraction form
    124,678.17/187,294.06 = 77,328.26/x
  3. Step 3: Cross multiply
    124,678.17x = 187,294.06 × 77,328.26
  4. Step 4: Simplify right side
    124,678.17x = 14,483,123,381.49
  5. Step 5: Solve for x
    x = 14,483,123,381.49/124,678.17
  6. Step 6: Final answer
    x = 116,164.07

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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.