Home / 180,592.13-249,219.13-100,020.93

Finding the Fourth Proportional to 180,592.13, 249,219.13 and 100,020.93

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Solution

The fourth proportional to 180,592.13, 249,219.13 and 100,020.93 is: 138,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,592.13 : 249,219.13 = 100,020.93 : x
  2. Step 2: Convert to fraction form
    180,592.13/249,219.13 = 100,020.93/x
  3. Step 3: Cross multiply
    180,592.13x = 249,219.13 × 100,020.93
  4. Step 4: Simplify right side
    180,592.13x = 24,927,128,159.31
  5. Step 5: Solve for x
    x = 24,927,128,159.31/180,592.13
  6. Step 6: Final answer
    x = 138,029.98

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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.