Home / 125,313.40-172,941.64-71,597.26

Finding the Fourth Proportional to 125,313.40, 172,941.64 and 71,597.26

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Solution

The fourth proportional to 125,313.40, 172,941.64 and 71,597.26 is: 98,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313.40 : 172,941.64 = 71,597.26 : x
  2. Step 2: Convert to fraction form
    125,313.40/172,941.64 = 71,597.26/x
  3. Step 3: Cross multiply
    125,313.40x = 172,941.64 × 71,597.26
  4. Step 4: Simplify right side
    125,313.40x = 12,382,147,601.09
  5. Step 5: Solve for x
    x = 12,382,147,601.09/125,313.40
  6. Step 6: Final answer
    x = 98,809.45

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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.