Home / 124,870.32-172,298.64-73,857.66

Finding the Fourth Proportional to 124,870.32, 172,298.64 and 73,857.66

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Solution

The fourth proportional to 124,870.32, 172,298.64 and 73,857.66 is: 101,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,870.32 : 172,298.64 = 73,857.66 : x
  2. Step 2: Convert to fraction form
    124,870.32/172,298.64 = 73,857.66/x
  3. Step 3: Cross multiply
    124,870.32x = 172,298.64 × 73,857.66
  4. Step 4: Simplify right side
    124,870.32x = 12,725,574,371.58
  5. Step 5: Solve for x
    x = 12,725,574,371.58/124,870.32
  6. Step 6: Final answer
    x = 101,910.32

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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.