Home / 106,794.08-147,412.91-61,490.10

Finding the Fourth Proportional to 106,794.08, 147,412.91 and 61,490.10

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Solution

The fourth proportional to 106,794.08, 147,412.91 and 61,490.10 is: 84,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,794.08 : 147,412.91 = 61,490.10 : x
  2. Step 2: Convert to fraction form
    106,794.08/147,412.91 = 61,490.10/x
  3. Step 3: Cross multiply
    106,794.08x = 147,412.91 × 61,490.10
  4. Step 4: Simplify right side
    106,794.08x = 9,064,435,283.71
  5. Step 5: Solve for x
    x = 9,064,435,283.71/106,794.08
  6. Step 6: Final answer
    x = 84,877.70

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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.