Home / 212,740.61-293,576.28-117,247.28

Finding the Fourth Proportional to 212,740.61, 293,576.28 and 117,247.28

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Solution

The fourth proportional to 212,740.61, 293,576.28 and 117,247.28 is: 161,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,740.61 : 293,576.28 = 117,247.28 : x
  2. Step 2: Convert to fraction form
    212,740.61/293,576.28 = 117,247.28/x
  3. Step 3: Cross multiply
    212,740.61x = 293,576.28 × 117,247.28
  4. Step 4: Simplify right side
    212,740.61x = 34,421,020,302.52
  5. Step 5: Solve for x
    x = 34,421,020,302.52/212,740.61
  6. Step 6: Final answer
    x = 161,798.07

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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.