Home / 124,785.16-172,206.12-70,354.36

Finding the Fourth Proportional to 124,785.16, 172,206.12 and 70,354.36

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Solution

The fourth proportional to 124,785.16, 172,206.12 and 70,354.36 is: 97,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,785.16 : 172,206.12 = 70,354.36 : x
  2. Step 2: Convert to fraction form
    124,785.16/172,206.12 = 70,354.36/x
  3. Step 3: Cross multiply
    124,785.16x = 172,206.12 × 70,354.36
  4. Step 4: Simplify right side
    124,785.16x = 12,115,451,360.68
  5. Step 5: Solve for x
    x = 12,115,451,360.68/124,785.16
  6. Step 6: Final answer
    x = 97,090.48

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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.