Home / 180,931.06-249,678.92-109,298.58

Finding the Fourth Proportional to 180,931.06, 249,678.92 and 109,298.58

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Solution

The fourth proportional to 180,931.06, 249,678.92 and 109,298.58 is: 150,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,931.06 : 249,678.92 = 109,298.58 : x
  2. Step 2: Convert to fraction form
    180,931.06/249,678.92 = 109,298.58/x
  3. Step 3: Cross multiply
    180,931.06x = 249,678.92 × 109,298.58
  4. Step 4: Simplify right side
    180,931.06x = 27,289,551,411.93
  5. Step 5: Solve for x
    x = 27,289,551,411.93/180,931.06
  6. Step 6: Final answer
    x = 150,828.45

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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.