Home / 153,290.58-211,545.10-92,848.38

Finding the Fourth Proportional to 153,290.58, 211,545.10 and 92,848.38

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Solution

The fourth proportional to 153,290.58, 211,545.10 and 92,848.38 is: 128,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,290.58 : 211,545.10 = 92,848.38 : x
  2. Step 2: Convert to fraction form
    153,290.58/211,545.10 = 92,848.38/x
  3. Step 3: Cross multiply
    153,290.58x = 211,545.10 × 92,848.38
  4. Step 4: Simplify right side
    153,290.58x = 19,641,619,831.94
  5. Step 5: Solve for x
    x = 19,641,619,831.94/153,290.58
  6. Step 6: Final answer
    x = 128,133.25

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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.