Home / 130,630.32-195,781.52-70,656.40

Finding the Fourth Proportional to 130,630.32, 195,781.52 and 70,656.40

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Solution

The fourth proportional to 130,630.32, 195,781.52 and 70,656.40 is: 105,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,630.32 : 195,781.52 = 70,656.40 : x
  2. Step 2: Convert to fraction form
    130,630.32/195,781.52 = 70,656.40/x
  3. Step 3: Cross multiply
    130,630.32x = 195,781.52 × 70,656.40
  4. Step 4: Simplify right side
    130,630.32x = 13,833,217,389.73
  5. Step 5: Solve for x
    x = 13,833,217,389.73/130,630.32
  6. Step 6: Final answer
    x = 105,895.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.