Home / 172,420.02-258,318.99-98,392.50

Finding the Fourth Proportional to 172,420.02, 258,318.99 and 98,392.50

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Solution

The fourth proportional to 172,420.02, 258,318.99 and 98,392.50 is: 147,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,420.02 : 258,318.99 = 98,392.50 : x
  2. Step 2: Convert to fraction form
    172,420.02/258,318.99 = 98,392.50/x
  3. Step 3: Cross multiply
    172,420.02x = 258,318.99 × 98,392.50
  4. Step 4: Simplify right side
    172,420.02x = 25,416,651,223.58
  5. Step 5: Solve for x
    x = 25,416,651,223.58/172,420.02
  6. Step 6: Final answer
    x = 147,411.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.