Home / 98,710.02-136,219.30-53,387.64

Finding the Fourth Proportional to 98,710.02, 136,219.30 and 53,387.64

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Solution

The fourth proportional to 98,710.02, 136,219.30 and 53,387.64 is: 73,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,710.02 : 136,219.30 = 53,387.64 : x
  2. Step 2: Convert to fraction form
    98,710.02/136,219.30 = 53,387.64/x
  3. Step 3: Cross multiply
    98,710.02x = 136,219.30 × 53,387.64
  4. Step 4: Simplify right side
    98,710.02x = 7,272,426,949.45
  5. Step 5: Solve for x
    x = 7,272,426,949.45/98,710.02
  6. Step 6: Final answer
    x = 73,674.66

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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.