Home / 103,533.48-142,885.32-61,083.72

Finding the Fourth Proportional to 103,533.48, 142,885.32 and 61,083.72

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Solution

The fourth proportional to 103,533.48, 142,885.32 and 61,083.72 is: 84,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,533.48 : 142,885.32 = 61,083.72 : x
  2. Step 2: Convert to fraction form
    103,533.48/142,885.32 = 61,083.72/x
  3. Step 3: Cross multiply
    103,533.48x = 142,885.32 × 61,083.72
  4. Step 4: Simplify right side
    103,533.48x = 8,727,966,878.99
  5. Step 5: Solve for x
    x = 8,727,966,878.99/103,533.48
  6. Step 6: Final answer
    x = 84,300.91

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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.