Home / 98,295.07-147,442.77-42,130.79

Finding the Fourth Proportional to 98,295.07, 147,442.77 and 42,130.79

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Solution

The fourth proportional to 98,295.07, 147,442.77 and 42,130.79 is: 63,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,295.07 : 147,442.77 = 42,130.79 : x
  2. Step 2: Convert to fraction form
    98,295.07/147,442.77 = 42,130.79/x
  3. Step 3: Cross multiply
    98,295.07x = 147,442.77 × 42,130.79
  4. Step 4: Simplify right side
    98,295.07x = 6,211,880,379.89
  5. Step 5: Solve for x
    x = 6,211,880,379.89/98,295.07
  6. Step 6: Final answer
    x = 63,196.26

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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.