Home / 180,011.61-248,394.74-99,434.30

Finding the Fourth Proportional to 180,011.61, 248,394.74 and 99,434.30

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Solution

The fourth proportional to 180,011.61, 248,394.74 and 99,434.30 is: 137,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,011.61 : 248,394.74 = 99,434.30 : x
  2. Step 2: Convert to fraction form
    180,011.61/248,394.74 = 99,434.30/x
  3. Step 3: Cross multiply
    180,011.61x = 248,394.74 × 99,434.30
  4. Step 4: Simplify right side
    180,011.61x = 24,698,955,356.44
  5. Step 5: Solve for x
    x = 24,698,955,356.44/180,011.61
  6. Step 6: Final answer
    x = 137,207.57

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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.