Home / 105,435.73-145,486.96-62,985.25

Finding the Fourth Proportional to 105,435.73, 145,486.96 and 62,985.25

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Solution

The fourth proportional to 105,435.73, 145,486.96 and 62,985.25 is: 86,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,435.73 : 145,486.96 = 62,985.25 : x
  2. Step 2: Convert to fraction form
    105,435.73/145,486.96 = 62,985.25/x
  3. Step 3: Cross multiply
    105,435.73x = 145,486.96 × 62,985.25
  4. Step 4: Simplify right side
    105,435.73x = 9,163,532,547.34
  5. Step 5: Solve for x
    x = 9,163,532,547.34/105,435.73
  6. Step 6: Final answer
    x = 86,911.07

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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.