Home / 112,905.16-155,680.65-92,422.07

Finding the Fourth Proportional to 112,905.16, 155,680.65 and 92,422.07

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Solution

The fourth proportional to 112,905.16, 155,680.65 and 92,422.07 is: 127,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,905.16 : 155,680.65 = 92,422.07 : x
  2. Step 2: Convert to fraction form
    112,905.16/155,680.65 = 92,422.07/x
  3. Step 3: Cross multiply
    112,905.16x = 155,680.65 × 92,422.07
  4. Step 4: Simplify right side
    112,905.16x = 14,388,327,931.95
  5. Step 5: Solve for x
    x = 14,388,327,931.95/112,905.16
  6. Step 6: Final answer
    x = 127,437.29

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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.