Home / 152,412.77-210,432.32-95,139.29

Finding the Fourth Proportional to 152,412.77, 210,432.32 and 95,139.29

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Solution

The fourth proportional to 152,412.77, 210,432.32 and 95,139.29 is: 131,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,412.77 : 210,432.32 = 95,139.29 : x
  2. Step 2: Convert to fraction form
    152,412.77/210,432.32 = 95,139.29/x
  3. Step 3: Cross multiply
    152,412.77x = 210,432.32 × 95,139.29
  4. Step 4: Simplify right side
    152,412.77x = 20,020,379,989.99
  5. Step 5: Solve for x
    x = 20,020,379,989.99/152,412.77
  6. Step 6: Final answer
    x = 131,356.32

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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.