Home / 163,715.08-225,925.18-91,116.76

Finding the Fourth Proportional to 163,715.08, 225,925.18 and 91,116.76

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Solution

The fourth proportional to 163,715.08, 225,925.18 and 91,116.76 is: 125,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,715.08 : 225,925.18 = 91,116.76 : x
  2. Step 2: Convert to fraction form
    163,715.08/225,925.18 = 91,116.76/x
  3. Step 3: Cross multiply
    163,715.08x = 225,925.18 × 91,116.76
  4. Step 4: Simplify right side
    163,715.08x = 20,585,570,404.02
  5. Step 5: Solve for x
    x = 20,585,570,404.02/163,715.08
  6. Step 6: Final answer
    x = 125,740.22

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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.