Home / 93,427.07-139,959.95-78,254.01

Finding the Fourth Proportional to 93,427.07, 139,959.95 and 78,254.01

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Solution

The fourth proportional to 93,427.07, 139,959.95 and 78,254.01 is: 117,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427.07 : 139,959.95 = 78,254.01 : x
  2. Step 2: Convert to fraction form
    93,427.07/139,959.95 = 78,254.01/x
  3. Step 3: Cross multiply
    93,427.07x = 139,959.95 × 78,254.01
  4. Step 4: Simplify right side
    93,427.07x = 10,952,426,935.63
  5. Step 5: Solve for x
    x = 10,952,426,935.63/93,427.07
  6. Step 6: Final answer
    x = 117,229.70

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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.