Home / 124,873.08-172,341.74-70,436.42

Finding the Fourth Proportional to 124,873.08, 172,341.74 and 70,436.42

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Solution

The fourth proportional to 124,873.08, 172,341.74 and 70,436.42 is: 97,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,873.08 : 172,341.74 = 70,436.42 : x
  2. Step 2: Convert to fraction form
    124,873.08/172,341.74 = 70,436.42/x
  3. Step 3: Cross multiply
    124,873.08x = 172,341.74 × 70,436.42
  4. Step 4: Simplify right side
    124,873.08x = 12,139,135,182.17
  5. Step 5: Solve for x
    x = 12,139,135,182.17/124,873.08
  6. Step 6: Final answer
    x = 97,211.79

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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.