Home / 142,225.76-197,170.16-134,641.43

Finding the Fourth Proportional to 142,225.76, 197,170.16 and 134,641.43

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Solution

The fourth proportional to 142,225.76, 197,170.16 and 134,641.43 is: 186,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,225.76 : 197,170.16 = 134,641.43 : x
  2. Step 2: Convert to fraction form
    142,225.76/197,170.16 = 134,641.43/x
  3. Step 3: Cross multiply
    142,225.76x = 197,170.16 × 134,641.43
  4. Step 4: Simplify right side
    142,225.76x = 26,547,270,636.67
  5. Step 5: Solve for x
    x = 26,547,270,636.67/142,225.76
  6. Step 6: Final answer
    x = 186,655.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.