Home / 180,873.04-249,607.76-100,303.92

Finding the Fourth Proportional to 180,873.04, 249,607.76 and 100,303.92

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Solution

The fourth proportional to 180,873.04, 249,607.76 and 100,303.92 is: 138,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,873.04 : 249,607.76 = 100,303.92 : x
  2. Step 2: Convert to fraction form
    180,873.04/249,607.76 = 100,303.92/x
  3. Step 3: Cross multiply
    180,873.04x = 249,607.76 × 100,303.92
  4. Step 4: Simplify right side
    180,873.04x = 25,036,636,790.42
  5. Step 5: Solve for x
    x = 25,036,636,790.42/180,873.04
  6. Step 6: Final answer
    x = 138,421.05

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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.