Home / 216,528.02-298,820.04-130,514.36

Finding the Fourth Proportional to 216,528.02, 298,820.04 and 130,514.36

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Solution

The fourth proportional to 216,528.02, 298,820.04 and 130,514.36 is: 180,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,528.02 : 298,820.04 = 130,514.36 : x
  2. Step 2: Convert to fraction form
    216,528.02/298,820.04 = 130,514.36/x
  3. Step 3: Cross multiply
    216,528.02x = 298,820.04 × 130,514.36
  4. Step 4: Simplify right side
    216,528.02x = 39,000,304,292.25
  5. Step 5: Solve for x
    x = 39,000,304,292.25/216,528.02
  6. Step 6: Final answer
    x = 180,116.66

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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.