Home / 155,424.11-214,466.10-98,041.77

Finding the Fourth Proportional to 155,424.11, 214,466.10 and 98,041.77

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Solution

The fourth proportional to 155,424.11, 214,466.10 and 98,041.77 is: 135,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.11 : 214,466.10 = 98,041.77 : x
  2. Step 2: Convert to fraction form
    155,424.11/214,466.10 = 98,041.77/x
  3. Step 3: Cross multiply
    155,424.11x = 214,466.10 × 98,041.77
  4. Step 4: Simplify right side
    155,424.11x = 21,026,636,049.00
  5. Step 5: Solve for x
    x = 21,026,636,049.00/155,424.11
  6. Step 6: Final answer
    x = 135,285.55

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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.