Home / 212,731.67-293,569.70-127,848.74

Finding the Fourth Proportional to 212,731.67, 293,569.70 and 127,848.74

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Solution

The fourth proportional to 212,731.67, 293,569.70 and 127,848.74 is: 176,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,731.67 : 293,569.70 = 127,848.74 : x
  2. Step 2: Convert to fraction form
    212,731.67/293,569.70 = 127,848.74/x
  3. Step 3: Cross multiply
    212,731.67x = 293,569.70 × 127,848.74
  4. Step 4: Simplify right side
    212,731.67x = 37,532,514,140.09
  5. Step 5: Solve for x
    x = 37,532,514,140.09/212,731.67
  6. Step 6: Final answer
    x = 176,431.25

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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.