Home / 104,683.40-144,461.88-56,935.72

Finding the Fourth Proportional to 104,683.40, 144,461.88 and 56,935.72

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Solution

The fourth proportional to 104,683.40, 144,461.88 and 56,935.72 is: 78,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.40 : 144,461.88 = 56,935.72 : x
  2. Step 2: Convert to fraction form
    104,683.40/144,461.88 = 56,935.72/x
  3. Step 3: Cross multiply
    104,683.40x = 144,461.88 × 56,935.72
  4. Step 4: Simplify right side
    104,683.40x = 8,225,041,150.35
  5. Step 5: Solve for x
    x = 8,225,041,150.35/104,683.40
  6. Step 6: Final answer
    x = 78,570.63

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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.