Home / 98,727.86-136,102.74-70,384.34

Finding the Fourth Proportional to 98,727.86, 136,102.74 and 70,384.34

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Solution

The fourth proportional to 98,727.86, 136,102.74 and 70,384.34 is: 97,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.86 : 136,102.74 = 70,384.34 : x
  2. Step 2: Convert to fraction form
    98,727.86/136,102.74 = 70,384.34/x
  3. Step 3: Cross multiply
    98,727.86x = 136,102.74 × 70,384.34
  4. Step 4: Simplify right side
    98,727.86x = 9,579,501,527.09
  5. Step 5: Solve for x
    x = 9,579,501,527.09/98,727.86
  6. Step 6: Final answer
    x = 97,029.36

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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.