Home / 180,746.03-249,429.53-100,178.75

Finding the Fourth Proportional to 180,746.03, 249,429.53 and 100,178.75

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Solution

The fourth proportional to 180,746.03, 249,429.53 and 100,178.75 is: 138,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,746.03 : 249,429.53 = 100,178.75 : x
  2. Step 2: Convert to fraction form
    180,746.03/249,429.53 = 100,178.75/x
  3. Step 3: Cross multiply
    180,746.03x = 249,429.53 × 100,178.75
  4. Step 4: Simplify right side
    180,746.03x = 24,987,537,531.79
  5. Step 5: Solve for x
    x = 24,987,537,531.79/180,746.03
  6. Step 6: Final answer
    x = 138,246.68

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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.