Home / 97,746.15-146,012.76-70,878.86

Finding the Fourth Proportional to 97,746.15, 146,012.76 and 70,878.86

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Solution

The fourth proportional to 97,746.15, 146,012.76 and 70,878.86 is: 105,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.15 : 146,012.76 = 70,878.86 : x
  2. Step 2: Convert to fraction form
    97,746.15/146,012.76 = 70,878.86/x
  3. Step 3: Cross multiply
    97,746.15x = 146,012.76 × 70,878.86
  4. Step 4: Simplify right side
    97,746.15x = 10,349,217,791.74
  5. Step 5: Solve for x
    x = 10,349,217,791.74/97,746.15
  6. Step 6: Final answer
    x = 105,878.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.