Home / 160,666.05-221,711.67-89,044.77

Finding the Fourth Proportional to 160,666.05, 221,711.67 and 89,044.77

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Solution

The fourth proportional to 160,666.05, 221,711.67 and 89,044.77 is: 122,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.05 : 221,711.67 = 89,044.77 : x
  2. Step 2: Convert to fraction form
    160,666.05/221,711.67 = 89,044.77/x
  3. Step 3: Cross multiply
    160,666.05x = 221,711.67 × 89,044.77
  4. Step 4: Simplify right side
    160,666.05x = 19,742,264,661.47
  5. Step 5: Solve for x
    x = 19,742,264,661.47/160,666.05
  6. Step 6: Final answer
    x = 122,877.64

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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.