Home / 180,631.56-249,271.52-100,064.30

Finding the Fourth Proportional to 180,631.56, 249,271.52 and 100,064.30

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Solution

The fourth proportional to 180,631.56, 249,271.52 and 100,064.30 is: 138,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,631.56 : 249,271.52 = 100,064.30 : x
  2. Step 2: Convert to fraction form
    180,631.56/249,271.52 = 100,064.30/x
  3. Step 3: Cross multiply
    180,631.56x = 249,271.52 × 100,064.30
  4. Step 4: Simplify right side
    180,631.56x = 24,943,180,158.74
  5. Step 5: Solve for x
    x = 24,943,180,158.74/180,631.56
  6. Step 6: Final answer
    x = 138,088.72

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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.