Home / 180,835.65-249,552.78-100,261.10

Finding the Fourth Proportional to 180,835.65, 249,552.78 and 100,261.10

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Solution

The fourth proportional to 180,835.65, 249,552.78 and 100,261.10 is: 138,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,835.65 : 249,552.78 = 100,261.10 : x
  2. Step 2: Convert to fraction form
    180,835.65/249,552.78 = 100,261.10/x
  3. Step 3: Cross multiply
    180,835.65x = 249,552.78 × 100,261.10
  4. Step 4: Simplify right side
    180,835.65x = 25,020,434,983.09
  5. Step 5: Solve for x
    x = 25,020,434,983.09/180,835.65
  6. Step 6: Final answer
    x = 138,360.08

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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.