Home / 181,070.04-249,871.86-100,493.40

Finding the Fourth Proportional to 181,070.04, 249,871.86 and 100,493.40

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Solution

The fourth proportional to 181,070.04, 249,871.86 and 100,493.40 is: 138,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,070.04 : 249,871.86 = 100,493.40 : x
  2. Step 2: Convert to fraction form
    181,070.04/249,871.86 = 100,493.40/x
  3. Step 3: Cross multiply
    181,070.04x = 249,871.86 × 100,493.40
  4. Step 4: Simplify right side
    181,070.04x = 25,110,472,775.72
  5. Step 5: Solve for x
    x = 25,110,472,775.72/181,070.04
  6. Step 6: Final answer
    x = 138,678.23

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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.