Home / 141,641.08-195,466.40-77,983.16

Finding the Fourth Proportional to 141,641.08, 195,466.40 and 77,983.16

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Solution

The fourth proportional to 141,641.08, 195,466.40 and 77,983.16 is: 107,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,641.08 : 195,466.40 = 77,983.16 : x
  2. Step 2: Convert to fraction form
    141,641.08/195,466.40 = 77,983.16/x
  3. Step 3: Cross multiply
    141,641.08x = 195,466.40 × 77,983.16
  4. Step 4: Simplify right side
    141,641.08x = 15,243,087,545.82
  5. Step 5: Solve for x
    x = 15,243,087,545.82/141,641.08
  6. Step 6: Final answer
    x = 107,617.70

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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.