Home / 147,427.86-203,289.67-99,598.16

Finding the Fourth Proportional to 147,427.86, 203,289.67 and 99,598.16

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Solution

The fourth proportional to 147,427.86, 203,289.67 and 99,598.16 is: 137,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.86 : 203,289.67 = 99,598.16 : x
  2. Step 2: Convert to fraction form
    147,427.86/203,289.67 = 99,598.16/x
  3. Step 3: Cross multiply
    147,427.86x = 203,289.67 × 99,598.16
  4. Step 4: Simplify right side
    147,427.86x = 20,247,277,079.01
  5. Step 5: Solve for x
    x = 20,247,277,079.01/147,427.86
  6. Step 6: Final answer
    x = 137,336.84

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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.