Home / 127,275.09-175,641.80-69,916.83

Finding the Fourth Proportional to 127,275.09, 175,641.80 and 69,916.83

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Solution

The fourth proportional to 127,275.09, 175,641.80 and 69,916.83 is: 96,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.09 : 175,641.80 = 69,916.83 : x
  2. Step 2: Convert to fraction form
    127,275.09/175,641.80 = 69,916.83/x
  3. Step 3: Cross multiply
    127,275.09x = 175,641.80 × 69,916.83
  4. Step 4: Simplify right side
    127,275.09x = 12,280,317,871.49
  5. Step 5: Solve for x
    x = 12,280,317,871.49/127,275.09
  6. Step 6: Final answer
    x = 96,486.42

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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.