Home / 112,912.61-155,428.29-97,592.18

Finding the Fourth Proportional to 112,912.61, 155,428.29 and 97,592.18

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Solution

The fourth proportional to 112,912.61, 155,428.29 and 97,592.18 is: 134,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,912.61 : 155,428.29 = 97,592.18 : x
  2. Step 2: Convert to fraction form
    112,912.61/155,428.29 = 97,592.18/x
  3. Step 3: Cross multiply
    112,912.61x = 155,428.29 × 97,592.18
  4. Step 4: Simplify right side
    112,912.61x = 15,168,584,877.63
  5. Step 5: Solve for x
    x = 15,168,584,877.63/112,912.61
  6. Step 6: Final answer
    x = 134,339.16

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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.