Home / 102,090.04-153,166.20-52,205.18

Finding the Fourth Proportional to 102,090.04, 153,166.20 and 52,205.18

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Solution

The fourth proportional to 102,090.04, 153,166.20 and 52,205.18 is: 78,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,090.04 : 153,166.20 = 52,205.18 : x
  2. Step 2: Convert to fraction form
    102,090.04/153,166.20 = 52,205.18/x
  3. Step 3: Cross multiply
    102,090.04x = 153,166.20 × 52,205.18
  4. Step 4: Simplify right side
    102,090.04x = 7,996,069,040.92
  5. Step 5: Solve for x
    x = 7,996,069,040.92/102,090.04
  6. Step 6: Final answer
    x = 78,323.69

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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.