Home / 157,430.10-236,145.15-148,900.80

Finding the Fourth Proportional to 157,430.10, 236,145.15 and 148,900.80

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Solution

The fourth proportional to 157,430.10, 236,145.15 and 148,900.80 is: 223,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,430.10 : 236,145.15 = 148,900.80 : x
  2. Step 2: Convert to fraction form
    157,430.10/236,145.15 = 148,900.80/x
  3. Step 3: Cross multiply
    157,430.10x = 236,145.15 × 148,900.80
  4. Step 4: Simplify right side
    157,430.10x = 35,162,201,751.12
  5. Step 5: Solve for x
    x = 35,162,201,751.12/157,430.10
  6. Step 6: Final answer
    x = 223,351.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.