Home / 180,642.90-249,283.92-100,070.16

Finding the Fourth Proportional to 180,642.90, 249,283.92 and 100,070.16

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Solution

The fourth proportional to 180,642.90, 249,283.92 and 100,070.16 is: 138,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,642.90 : 249,283.92 = 100,070.16 : x
  2. Step 2: Convert to fraction form
    180,642.90/249,283.92 = 100,070.16/x
  3. Step 3: Cross multiply
    180,642.90x = 249,283.92 × 100,070.16
  4. Step 4: Simplify right side
    180,642.90x = 24,945,881,759.83
  5. Step 5: Solve for x
    x = 24,945,881,759.83/180,642.90
  6. Step 6: Final answer
    x = 138,095.00

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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.