Home / 160,632.64-221,681.88-89,011.09

Finding the Fourth Proportional to 160,632.64, 221,681.88 and 89,011.09

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Solution

The fourth proportional to 160,632.64, 221,681.88 and 89,011.09 is: 122,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.64 : 221,681.88 = 89,011.09 : x
  2. Step 2: Convert to fraction form
    160,632.64/221,681.88 = 89,011.09/x
  3. Step 3: Cross multiply
    160,632.64x = 221,681.88 × 89,011.09
  4. Step 4: Simplify right side
    160,632.64x = 19,732,145,772.05
  5. Step 5: Solve for x
    x = 19,732,145,772.05/160,632.64
  6. Step 6: Final answer
    x = 122,840.20

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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.