Home / 102,065.04-140,841.77-56,740.26

Finding the Fourth Proportional to 102,065.04, 140,841.77 and 56,740.26

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Solution

The fourth proportional to 102,065.04, 140,841.77 and 56,740.26 is: 78,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,065.04 : 140,841.77 = 56,740.26 : x
  2. Step 2: Convert to fraction form
    102,065.04/140,841.77 = 56,740.26/x
  3. Step 3: Cross multiply
    102,065.04x = 140,841.77 × 56,740.26
  4. Step 4: Simplify right side
    102,065.04x = 7,991,398,648.66
  5. Step 5: Solve for x
    x = 7,991,398,648.66/102,065.04
  6. Step 6: Final answer
    x = 78,297.12

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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.