Home / 130,344.72-179,875.08-70,728.72

Finding the Fourth Proportional to 130,344.72, 179,875.08 and 70,728.72

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Solution

The fourth proportional to 130,344.72, 179,875.08 and 70,728.72 is: 97,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344.72 : 179,875.08 = 70,728.72 : x
  2. Step 2: Convert to fraction form
    130,344.72/179,875.08 = 70,728.72/x
  3. Step 3: Cross multiply
    130,344.72x = 179,875.08 × 70,728.72
  4. Step 4: Simplify right side
    130,344.72x = 12,722,334,168.30
  5. Step 5: Solve for x
    x = 12,722,334,168.30/130,344.72
  6. Step 6: Final answer
    x = 97,605.29

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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.