Home / 160,256.64-221,200.32-112,521.60

Finding the Fourth Proportional to 160,256.64, 221,200.32 and 112,521.60

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Solution

The fourth proportional to 160,256.64, 221,200.32 and 112,521.60 is: 155,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,256.64 : 221,200.32 = 112,521.60 : x
  2. Step 2: Convert to fraction form
    160,256.64/221,200.32 = 112,521.60/x
  3. Step 3: Cross multiply
    160,256.64x = 221,200.32 × 112,521.60
  4. Step 4: Simplify right side
    160,256.64x = 24,889,813,926.91
  5. Step 5: Solve for x
    x = 24,889,813,926.91/160,256.64
  6. Step 6: Final answer
    x = 155,312.22

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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.