Home / 130,023.50-179,432.44-70,407.50

Finding the Fourth Proportional to 130,023.50, 179,432.44 and 70,407.50

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Solution

The fourth proportional to 130,023.50, 179,432.44 and 70,407.50 is: 97,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.50 : 179,432.44 = 70,407.50 : x
  2. Step 2: Convert to fraction form
    130,023.50/179,432.44 = 70,407.50/x
  3. Step 3: Cross multiply
    130,023.50x = 179,432.44 × 70,407.50
  4. Step 4: Simplify right side
    130,023.50x = 12,633,389,519.30
  5. Step 5: Solve for x
    x = 12,633,389,519.30/130,023.50
  6. Step 6: Final answer
    x = 97,162.36

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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.