Home / 160,658.67-221,705.60-89,038.07

Finding the Fourth Proportional to 160,658.67, 221,705.60 and 89,038.07

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Solution

The fourth proportional to 160,658.67, 221,705.60 and 89,038.07 is: 122,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,658.67 : 221,705.60 = 89,038.07 : x
  2. Step 2: Convert to fraction form
    160,658.67/221,705.60 = 89,038.07/x
  3. Step 3: Cross multiply
    160,658.67x = 221,705.60 × 89,038.07
  4. Step 4: Simplify right side
    160,658.67x = 19,740,237,178.47
  5. Step 5: Solve for x
    x = 19,740,237,178.47/160,658.67
  6. Step 6: Final answer
    x = 122,870.66

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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.