Home / 130,217.06-195,345.10-47,130.50

Finding the Fourth Proportional to 130,217.06, 195,345.10 and 47,130.50

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Solution

The fourth proportional to 130,217.06, 195,345.10 and 47,130.50 is: 70,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.06 : 195,345.10 = 47,130.50 : x
  2. Step 2: Convert to fraction form
    130,217.06/195,345.10 = 47,130.50/x
  3. Step 3: Cross multiply
    130,217.06x = 195,345.10 × 47,130.50
  4. Step 4: Simplify right side
    130,217.06x = 9,206,712,235.55
  5. Step 5: Solve for x
    x = 9,206,712,235.55/130,217.06
  6. Step 6: Final answer
    x = 70,702.81

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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.