Home / 181,081.08-249,888.04-100,503.77

Finding the Fourth Proportional to 181,081.08, 249,888.04 and 100,503.77

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Solution

The fourth proportional to 181,081.08, 249,888.04 and 100,503.77 is: 138,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,081.08 : 249,888.04 = 100,503.77 : x
  2. Step 2: Convert to fraction form
    181,081.08/249,888.04 = 100,503.77/x
  3. Step 3: Cross multiply
    181,081.08x = 249,888.04 × 100,503.77
  4. Step 4: Simplify right side
    181,081.08x = 25,114,688,597.21
  5. Step 5: Solve for x
    x = 25,114,688,597.21/181,081.08
  6. Step 6: Final answer
    x = 138,693.06

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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.