Home / 130,007.40-195,011.10-63,490.20

Finding the Fourth Proportional to 130,007.40, 195,011.10 and 63,490.20

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Solution

The fourth proportional to 130,007.40, 195,011.10 and 63,490.20 is: 95,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.40 : 195,011.10 = 63,490.20 : x
  2. Step 2: Convert to fraction form
    130,007.40/195,011.10 = 63,490.20/x
  3. Step 3: Cross multiply
    130,007.40x = 195,011.10 × 63,490.20
  4. Step 4: Simplify right side
    130,007.40x = 12,381,293,741.22
  5. Step 5: Solve for x
    x = 12,381,293,741.22/130,007.40
  6. Step 6: Final answer
    x = 95,235.30

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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.