Home / 106,878.18-147,456.08-61,555.25

Finding the Fourth Proportional to 106,878.18, 147,456.08 and 61,555.25

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Solution

The fourth proportional to 106,878.18, 147,456.08 and 61,555.25 is: 84,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,878.18 : 147,456.08 = 61,555.25 : x
  2. Step 2: Convert to fraction form
    106,878.18/147,456.08 = 61,555.25/x
  3. Step 3: Cross multiply
    106,878.18x = 147,456.08 × 61,555.25
  4. Step 4: Simplify right side
    106,878.18x = 9,076,696,160.60
  5. Step 5: Solve for x
    x = 9,076,696,160.60/106,878.18
  6. Step 6: Final answer
    x = 84,925.63

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1.5x scale

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.