Home / 130,283.36-179,545.32-104,412.52

Finding the Fourth Proportional to 130,283.36, 179,545.32 and 104,412.52

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Solution

The fourth proportional to 130,283.36, 179,545.32 and 104,412.52 is: 143,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283.36 : 179,545.32 = 104,412.52 : x
  2. Step 2: Convert to fraction form
    130,283.36/179,545.32 = 104,412.52/x
  3. Step 3: Cross multiply
    130,283.36x = 179,545.32 × 104,412.52
  4. Step 4: Simplify right side
    130,283.36x = 18,746,779,539.84
  5. Step 5: Solve for x
    x = 18,746,779,539.84/130,283.36
  6. Step 6: Final answer
    x = 143,892.36

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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.