Home / 164,685.12-227,277-93,071.76

Finding the Fourth Proportional to 164,685.12, 227,277 and 93,071.76

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Solution

The fourth proportional to 164,685.12, 227,277 and 93,071.76 is: 128,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,685.12 : 227,277 = 93,071.76 : x
  2. Step 2: Convert to fraction form
    164,685.12/227,277 = 93,071.76/x
  3. Step 3: Cross multiply
    164,685.12x = 227,277 × 93,071.76
  4. Step 4: Simplify right side
    164,685.12x = 21,153,070,397.52
  5. Step 5: Solve for x
    x = 21,153,070,397.52/164,685.12
  6. Step 6: Final answer
    x = 128,445.55

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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.