Home / 127,995.40-176,632.12-70,635.16

Finding the Fourth Proportional to 127,995.40, 176,632.12 and 70,635.16

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Solution

The fourth proportional to 127,995.40, 176,632.12 and 70,635.16 is: 97,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,995.40 : 176,632.12 = 70,635.16 : x
  2. Step 2: Convert to fraction form
    127,995.40/176,632.12 = 70,635.16/x
  3. Step 3: Cross multiply
    127,995.40x = 176,632.12 × 70,635.16
  4. Step 4: Simplify right side
    127,995.40x = 12,476,438,057.34
  5. Step 5: Solve for x
    x = 12,476,438,057.34/127,995.40
  6. Step 6: Final answer
    x = 97,475.68

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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.