Home / 104,969.34-144,814.08-61,931.74

Finding the Fourth Proportional to 104,969.34, 144,814.08 and 61,931.74

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Solution

The fourth proportional to 104,969.34, 144,814.08 and 61,931.74 is: 85,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.34 : 144,814.08 = 61,931.74 : x
  2. Step 2: Convert to fraction form
    104,969.34/144,814.08 = 61,931.74/x
  3. Step 3: Cross multiply
    104,969.34x = 144,814.08 × 61,931.74
  4. Step 4: Simplify right side
    104,969.34x = 8,968,588,136.18
  5. Step 5: Solve for x
    x = 8,968,588,136.18/104,969.34
  6. Step 6: Final answer
    x = 85,440.08

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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.