Home / 152,289.86-209,690.60-135,264.52

Finding the Fourth Proportional to 152,289.86, 209,690.60 and 135,264.52

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Solution

The fourth proportional to 152,289.86, 209,690.60 and 135,264.52 is: 186,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,289.86 : 209,690.60 = 135,264.52 : x
  2. Step 2: Convert to fraction form
    152,289.86/209,690.60 = 135,264.52/x
  3. Step 3: Cross multiply
    152,289.86x = 209,690.60 × 135,264.52
  4. Step 4: Simplify right side
    152,289.86x = 28,363,698,357.51
  5. Step 5: Solve for x
    x = 28,363,698,357.51/152,289.86
  6. Step 6: Final answer
    x = 186,248.11

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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.