Home / 147,948.08-204,172.32-90,586.16

Finding the Fourth Proportional to 147,948.08, 204,172.32 and 90,586.16

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Solution

The fourth proportional to 147,948.08, 204,172.32 and 90,586.16 is: 125,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,948.08 : 204,172.32 = 90,586.16 : x
  2. Step 2: Convert to fraction form
    147,948.08/204,172.32 = 90,586.16/x
  3. Step 3: Cross multiply
    147,948.08x = 204,172.32 × 90,586.16
  4. Step 4: Simplify right side
    147,948.08x = 18,495,186,447.09
  5. Step 5: Solve for x
    x = 18,495,186,447.09/147,948.08
  6. Step 6: Final answer
    x = 125,011.33

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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.