Home / 125,547.84-188,322.08-30,778.45

Finding the Fourth Proportional to 125,547.84, 188,322.08 and 30,778.45

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Solution

The fourth proportional to 125,547.84, 188,322.08 and 30,778.45 is: 46,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,547.84 : 188,322.08 = 30,778.45 : x
  2. Step 2: Convert to fraction form
    125,547.84/188,322.08 = 30,778.45/x
  3. Step 3: Cross multiply
    125,547.84x = 188,322.08 × 30,778.45
  4. Step 4: Simplify right side
    125,547.84x = 5,796,261,098.48
  5. Step 5: Solve for x
    x = 5,796,261,098.48/125,547.84
  6. Step 6: Final answer
    x = 46,167.75

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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.