Home / 142,036.79-213,075.43-47,235.74

Finding the Fourth Proportional to 142,036.79, 213,075.43 and 47,235.74

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Solution

The fourth proportional to 142,036.79, 213,075.43 and 47,235.74 is: 70,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,036.79 : 213,075.43 = 47,235.74 : x
  2. Step 2: Convert to fraction form
    142,036.79/213,075.43 = 47,235.74/x
  3. Step 3: Cross multiply
    142,036.79x = 213,075.43 × 47,235.74
  4. Step 4: Simplify right side
    142,036.79x = 10,064,774,428.40
  5. Step 5: Solve for x
    x = 10,064,774,428.40/142,036.79
  6. Step 6: Final answer
    x = 70,860.34

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1.5x scale

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.