Home / 121,455.28-182,208.84-42,574.24

Finding the Fourth Proportional to 121,455.28, 182,208.84 and 42,574.24

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Solution

The fourth proportional to 121,455.28, 182,208.84 and 42,574.24 is: 63,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,455.28 : 182,208.84 = 42,574.24 : x
  2. Step 2: Convert to fraction form
    121,455.28/182,208.84 = 42,574.24/x
  3. Step 3: Cross multiply
    121,455.28x = 182,208.84 × 42,574.24
  4. Step 4: Simplify right side
    121,455.28x = 7,757,402,884.28
  5. Step 5: Solve for x
    x = 7,757,402,884.28/121,455.28
  6. Step 6: Final answer
    x = 63,870.45

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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.