Home / 121,752.12-168,232.53-93,700.20

Finding the Fourth Proportional to 121,752.12, 168,232.53 and 93,700.20

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Solution

The fourth proportional to 121,752.12, 168,232.53 and 93,700.20 is: 129,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,752.12 : 168,232.53 = 93,700.20 : x
  2. Step 2: Convert to fraction form
    121,752.12/168,232.53 = 93,700.20/x
  3. Step 3: Cross multiply
    121,752.12x = 168,232.53 × 93,700.20
  4. Step 4: Simplify right side
    121,752.12x = 15,763,421,707.51
  5. Step 5: Solve for x
    x = 15,763,421,707.51/121,752.12
  6. Step 6: Final answer
    x = 129,471.44

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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.