Home / 130,023.25-179,432.09-70,407.25

Finding the Fourth Proportional to 130,023.25, 179,432.09 and 70,407.25

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Solution

The fourth proportional to 130,023.25, 179,432.09 and 70,407.25 is: 97,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.25 : 179,432.09 = 70,407.25 : x
  2. Step 2: Convert to fraction form
    130,023.25/179,432.09 = 70,407.25/x
  3. Step 3: Cross multiply
    130,023.25x = 179,432.09 × 70,407.25
  4. Step 4: Simplify right side
    130,023.25x = 12,633,320,018.65
  5. Step 5: Solve for x
    x = 12,633,320,018.65/130,023.25
  6. Step 6: Final answer
    x = 97,162.01

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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.