Home / 160,632.58-221,681.88-89,011.12

Finding the Fourth Proportional to 160,632.58, 221,681.88 and 89,011.12

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Solution

The fourth proportional to 160,632.58, 221,681.88 and 89,011.12 is: 122,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.58 : 221,681.88 = 89,011.12 : x
  2. Step 2: Convert to fraction form
    160,632.58/221,681.88 = 89,011.12/x
  3. Step 3: Cross multiply
    160,632.58x = 221,681.88 × 89,011.12
  4. Step 4: Simplify right side
    160,632.58x = 19,732,152,422.51
  5. Step 5: Solve for x
    x = 19,732,152,422.51/160,632.58
  6. Step 6: Final answer
    x = 122,840.29

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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.