Home / 247,155.12-341,075.88-133,978.68

Finding the Fourth Proportional to 247,155.12, 341,075.88 and 133,978.68

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Solution

The fourth proportional to 247,155.12, 341,075.88 and 133,978.68 is: 184,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,155.12 : 341,075.88 = 133,978.68 : x
  2. Step 2: Convert to fraction form
    247,155.12/341,075.88 = 133,978.68/x
  3. Step 3: Cross multiply
    247,155.12x = 341,075.88 × 133,978.68
  4. Step 4: Simplify right side
    247,155.12x = 45,696,896,182.24
  5. Step 5: Solve for x
    x = 45,696,896,182.24/247,155.12
  6. Step 6: Final answer
    x = 184,891.56

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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.