Home / 188,501.47-260,125.44-103,617.92

Finding the Fourth Proportional to 188,501.47, 260,125.44 and 103,617.92

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Solution

The fourth proportional to 188,501.47, 260,125.44 and 103,617.92 is: 142,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.47 : 260,125.44 = 103,617.92 : x
  2. Step 2: Convert to fraction form
    188,501.47/260,125.44 = 103,617.92/x
  3. Step 3: Cross multiply
    188,501.47x = 260,125.44 × 103,617.92
  4. Step 4: Simplify right side
    188,501.47x = 26,953,657,031.88
  5. Step 5: Solve for x
    x = 26,953,657,031.88/188,501.47
  6. Step 6: Final answer
    x = 142,989.11

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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.