Home / 236,439.40-354,075.90-157,124.20

Finding the Fourth Proportional to 236,439.40, 354,075.90 and 157,124.20

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Solution

The fourth proportional to 236,439.40, 354,075.90 and 157,124.20 is: 235,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.40 : 354,075.90 = 157,124.20 : x
  2. Step 2: Convert to fraction form
    236,439.40/354,075.90 = 157,124.20/x
  3. Step 3: Cross multiply
    236,439.40x = 354,075.90 × 157,124.20
  4. Step 4: Simplify right side
    236,439.40x = 55,633,892,526.78
  5. Step 5: Solve for x
    x = 55,633,892,526.78/236,439.40
  6. Step 6: Final answer
    x = 235,298.74

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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.