Home / 142,290.95-196,402.35-93,928.18

Finding the Fourth Proportional to 142,290.95, 196,402.35 and 93,928.18

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Solution

The fourth proportional to 142,290.95, 196,402.35 and 93,928.18 is: 129,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,290.95 : 196,402.35 = 93,928.18 : x
  2. Step 2: Convert to fraction form
    142,290.95/196,402.35 = 93,928.18/x
  3. Step 3: Cross multiply
    142,290.95x = 196,402.35 × 93,928.18
  4. Step 4: Simplify right side
    142,290.95x = 18,447,715,283.22
  5. Step 5: Solve for x
    x = 18,447,715,283.22/142,290.95
  6. Step 6: Final answer
    x = 129,647.85

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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.