Home / 209,254.78-288,779.34-116,123.14

Finding the Fourth Proportional to 209,254.78, 288,779.34 and 116,123.14

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Solution

The fourth proportional to 209,254.78, 288,779.34 and 116,123.14 is: 160,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,254.78 : 288,779.34 = 116,123.14 : x
  2. Step 2: Convert to fraction form
    209,254.78/288,779.34 = 116,123.14/x
  3. Step 3: Cross multiply
    209,254.78x = 288,779.34 × 116,123.14
  4. Step 4: Simplify right side
    209,254.78x = 33,533,963,727.93
  5. Step 5: Solve for x
    x = 33,533,963,727.93/209,254.78
  6. Step 6: Final answer
    x = 160,254.23

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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.