Home / 212,412.15-293,128.85-116,918.16

Finding the Fourth Proportional to 212,412.15, 293,128.85 and 116,918.16

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Solution

The fourth proportional to 212,412.15, 293,128.85 and 116,918.16 is: 161,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,412.15 : 293,128.85 = 116,918.16 : x
  2. Step 2: Convert to fraction form
    212,412.15/293,128.85 = 116,918.16/x
  3. Step 3: Cross multiply
    212,412.15x = 293,128.85 × 116,918.16
  4. Step 4: Simplify right side
    212,412.15x = 34,272,085,200.33
  5. Step 5: Solve for x
    x = 34,272,085,200.33/212,412.15
  6. Step 6: Final answer
    x = 161,347.10

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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.