Home / 153,420.78-230,162.61-64,674.45

Finding the Fourth Proportional to 153,420.78, 230,162.61 and 64,674.45

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Solution

The fourth proportional to 153,420.78, 230,162.61 and 64,674.45 is: 97,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,420.78 : 230,162.61 = 64,674.45 : x
  2. Step 2: Convert to fraction form
    153,420.78/230,162.61 = 64,674.45/x
  3. Step 3: Cross multiply
    153,420.78x = 230,162.61 × 64,674.45
  4. Step 4: Simplify right side
    153,420.78x = 14,885,640,454.84
  5. Step 5: Solve for x
    x = 14,885,640,454.84/153,420.78
  6. Step 6: Final answer
    x = 97,024.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.