Home / 94,172.02-129,903.09-56,424.40

Finding the Fourth Proportional to 94,172.02, 129,903.09 and 56,424.40

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Solution

The fourth proportional to 94,172.02, 129,903.09 and 56,424.40 is: 77,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,172.02 : 129,903.09 = 56,424.40 : x
  2. Step 2: Convert to fraction form
    94,172.02/129,903.09 = 56,424.40/x
  3. Step 3: Cross multiply
    94,172.02x = 129,903.09 × 56,424.40
  4. Step 4: Simplify right side
    94,172.02x = 7,329,703,911.40
  5. Step 5: Solve for x
    x = 7,329,703,911.40/94,172.02
  6. Step 6: Final answer
    x = 77,833.14

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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.