Home / 86,960.58-130,484.64-64,818.42

Finding the Fourth Proportional to 86,960.58, 130,484.64 and 64,818.42

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Solution

The fourth proportional to 86,960.58, 130,484.64 and 64,818.42 is: 97,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,960.58 : 130,484.64 = 64,818.42 : x
  2. Step 2: Convert to fraction form
    86,960.58/130,484.64 = 64,818.42/x
  3. Step 3: Cross multiply
    86,960.58x = 130,484.64 × 64,818.42
  4. Step 4: Simplify right side
    86,960.58x = 8,457,808,199.07
  5. Step 5: Solve for x
    x = 8,457,808,199.07/86,960.58
  6. Step 6: Final answer
    x = 97,260.26

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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.