Home / 127,071.28-175,358.37-70,482.61

Finding the Fourth Proportional to 127,071.28, 175,358.37 and 70,482.61

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Solution

The fourth proportional to 127,071.28, 175,358.37 and 70,482.61 is: 97,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,071.28 : 175,358.37 = 70,482.61 : x
  2. Step 2: Convert to fraction form
    127,071.28/175,358.37 = 70,482.61/x
  3. Step 3: Cross multiply
    127,071.28x = 175,358.37 × 70,482.61
  4. Step 4: Simplify right side
    127,071.28x = 12,359,715,602.95
  5. Step 5: Solve for x
    x = 12,359,715,602.95/127,071.28
  6. Step 6: Final answer
    x = 97,266.00

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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.